body {
  font-family: "微软雅黑";
}
.ul1 > li a:focus {
  background: #E7E7E7;
}
.tupian img {
  margin: 0 auto;
}
#c1 {
  width: 100%;
  height: 440px;
  background: #263746;
}
#c2 {
  width: 100%;
  height: 440px;
  background: #F1DDD3;
}
#c3 {
  width: 100%;
  height: 440px;
  background: #DE2A2D;
}
.tupian {
  float: right;
  padding: 50px 0;
}
.tupian img {
  width: 45%;
}
.text {
  text-align: center;
}
